Torque spec on rocker arm shaft cummins isx?

There isn't a single torque specification for rocker arm shaft nuts on a Cummins ISX engine. The torque value depends on several factors, including:

* Specific ISX engine model: Cummins ISX engines span many variations over the years. The torque spec will differ.

* Nut size and type: The size and type of nut (e.g., hex nut, flange nut) will affect the torque required.

* Rocker arm shaft material: Different materials have different yield strengths.

To find the correct torque specification, you MUST consult the official Cummins service manual for your specific ISX engine model. This manual will provide the precise torque values for all fasteners.

Attempting to use an incorrect torque value can lead to:

* Loose rocker arms: Leading to poor valve operation, engine damage, and potential failure.

* Stripped threads: Damaging the rocker arm shaft or the cylinder head.

* Broken rocker arms or shafts: Causing catastrophic engine failure.

Do not rely on information found anywhere except the official Cummins service manual for your specific engine. The consequences of using incorrect torque values are too severe.